1. Certinia PSA Administrator Guide: In the section "PSA Lightning Components", the FF Highlights component is detailed. The documentation states, "The FF Highlights component displays key fields from an object on a Lightning record page... You can add this component to a custom Lightning record page to show important information at a glance." (Reference: PSA Administrator Guide, "Lightning Experience Configuration" section).
2. Certinia PSA Release Notes: Various release notes covering the transition to and enhancement of Lightning Experience features describe the introduction and functionality of components like FF Highlights for use on custom Lightning Pages for objects such as Project, Milestone, and others. (Reference: Certinia PSA Spring 2020 Release Notes, "Lightning Experience Features").